Camshafts & Valvetrain

Valve Springs, Single, 1.539 in. Outside Diameter, 335 lbs./in. Rate, 1.150 in. Coil Bind Height, Damper, Each

Part Number: HRS-98612-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Springs, Dual, 1.539 in. Outside Diameter, 510 lbs./in. Rate, 1.150 in. Coil Bind Height, Single

Part Number: HRS-98630-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve Spring, Dual, 1.530 in. Outside Diameter, 348 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98636-1

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Intake, 1.940 in. Head Diameter, 8.73mm Stem Diameter, 4.911 in. Overall Length, Chevy, Small Block, Each

Part Number: HRS-19401N

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Estimated Ship Date: Nov 20, 2025 if ordered today

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Valve, Chev LS, 1.600, 8mm, Std.

Part Number: HRS-16008N

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Valve, Chev LS, 1.600, 8mm, +.100

Part Number: HRS-16018N

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Valve, SB Chev, 2.020, 11/32, Std.

Part Number: HRS-20201N

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Valve, Chev LS, 2.020, 8mm, Std.

Part Number: HRS-20208N

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Valve, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 5.000 in. Length, Chevy, Each

Part Number: HRS-20511N

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Valve, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.000 in. Length, Chevy, Each

Part Number: HRS-20811N

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Valve, Chev LS, 2.165, 8mm, Std.

Part Number: HRS-21608N

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ROCKER ARM KIT

Part Number: PIO-RK-660-B

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Estimated Ship Date: Oct 16, 2025 if ordered today

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ROCKER ARM KIT

Part Number: PIO-RK-346-X

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Valve Spring Retainer, Titanium, 10 Degree, 1.650 in. Outside Diameter, .640 in. Inside Diameter, Each

Part Number: MAN-23562-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Valve Spring Retainers, RET-H-13 10 DEG., 221435

Part Number: MAN-23615TS-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Valve Spring Retainers, RET-H-13 SUPER 7 221452SF

Part Number: MAN-23702TS-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Pushrods, Chromoly Swedged End, Heat-treated, 5/16 in. Diameter, Ball Tips, 6.800 in. Overall Length, Each

Part Number: MAN-25215-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Pushrods, Chromoly Swedged End, Heat-treated, 3/8 in. Tube Diameter, 5/16 in. Tip Diameter, Ball Tips, 7.675 in. Overall Length, Each

Part Number: MAN-25302-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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PROD SBCH

Part Number: MAN-25759-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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H/P PUSH ROD

Part Number: PIO-815219-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Pushrod, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 9.250 in. Length, Universal, Each

Part Number: MAN-25796-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Pushrod, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.150 in. Length, Universal, Tapered, Each

Part Number: MAN-25815-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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Valve, BBC intake 2.250 stock length, Street Master

Part Number: MAN-10874-1

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Estimated Ship Date: Nov 12, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-1140-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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VALVE SPRING

Part Number: PIO-RV-1380-4

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Estimated Ship Date: Oct 16, 2025 if ordered today

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